An optical illusion reveals how our minds interpret situations, with the first face seen offering insight into whether you lead with intuition or logic. Spotting the full face suggests an emotional, ...

An optical illusion reveals personality traits based on what you see first: faces suggest empathy and connection, a butterfly points to imagination and hope, while a circle indicates focus and balance ...

Optical techniques are methods that use light to probe or control matter. One prominent example is optical spectroscopy, which includes such methods as pump–probe spectroscopy, Raman spectroscopy and ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into one ...